Genetics Answers

using punnet square, summarize the expected results, both genotypically and phenotypically, of the following crosses. R-round r-wrinkled.

a) RR x rr

b) Rr x Rr

c) Rr x rr

Describe origin and phenotypic effect of the following structural chromosomal aberrations deletion, duplication, inversion, translocation.

Explain why each parent has two of each chromosome. How do the chromosomes compare?

The fate of a new allele arising from mutation depends on population size because:

Question 8 options:


small populations are more likely to lose new alleles by chance if mutant individuals do not breed


allele frequencies are not likely to change quickly in small populations


large populations are more likely to lose a mutant allele because there are many breeders


deleterious mutations don’t affect an individual’s fitness in large populations

Compare the function of each type of rna molecule by completing the table

Give a short account of the different types of hereditable and non hereditable characters.

Explain impedance matching within the context of hearing. Where and how does it occur within the ear?

Describe the anatomical bases of the touch and pain pathways from the periphery to the somatosensory cortex

itemize all the gametes and the offspring procduced by the individual parents


1.AABbEeFFggHH X aaBBEeFfGghh


2.AabbCcDDEEGG X AABbCCddEeGg

a man has brown hair and brown eyes with the genotype AaBB and he has children with his wife who has red hair and green eyes (aabb). If the allele for hair is A, and the allele for eyes is B, could any of their future children have green eyes?Explain